Rightline Gear Foam Block Canoe Carrier - The Rightline Gear Foam Block Canoe Carrier attaches to vehicles with or without a roof rack, using innovative Car Clips that attach the straps to a vehicle's door frame weather molding. This means no straps run through the inside of the vehicle! The Canoe Carrier's Single Lock Straps secure the Canoe to the Foam Blocks for increased stability. Rubber guards protect the vehicle and Canoe from the metal cam buckles on the straps. Use the included Mesh Carry Bag to easily store the Foam Block Canoe Carrier in your garage or vehicle between uses. Features Capacity: (1) Canoe; Dimensions: 7.4" L x 3.9" W x 3.6" H each block; Designed for all vehicles, WITH or WITHOUT a roof rack; Canoe straps to Foam Blocks for increased stability; With a roof rack: Foam Blocks fit aero, square, and round cross bars; Without a roof rack: cross bar cutouts remain in Foam Blocks for extra support; Includes: (4) foam blocks, (2) single lock straps, (4) car clips, (2) canoe end straps, mesh carry bag, and set up guide;